November 05, 2024 21:52 (IST)
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Union Minister HD Kumaraswamy booked for threatening cop probing into mining case | Supreme Court upholds validity of Uttar Pradesh Madrasa Education Act | Not all private properties are community resources that govt can take over: Supreme Court | Pakistan's Lahore has become world's most polluted city with an AQI of 1900 on Sunday | Indian Army 'successfully completes' patrolling to a key point in Ladakh's Depsang region

NASA study: First direct proof of Ozone hole recovery due to chemicals ban

Washington, Jan 8 (IBNS): Measurements show that the decline in chlorine, resulting from an international ban on chlorine-containing manmade chemicals called chlorofluorocarbons (CFCs), has resulted in about 20 percent less ozone depletion during the Antarctic winter than there was in 2005 — the first year that measurements of chlorine and ozone during the Antarctic winter were made by NASA’s Aura satellite.